Session Notes for R1 (Rapid Turnaround Monday) session: r1126 Prepared by C. Thomas, NVI, Inc./GSFC Refer to http://ivscc.gsfc.nasa.gov/program/descrip2004.html#r1 for the session purpose. =========================================================== Parameter values for experiment R1126 Experiment description: IVS-R1 Scheduler: NASA Correlator: HAYSTACK Nominal start: 2004-159-17:00:00 Nominal end: 2004-160-17:00:00 Current yyyyddd: 2004159 (2004.44) ( 13164 MJD, MON. 7JUN.) Greenwich sidereal time: 10: 5:42.00 (17: 0: 0 UT) Sun's RA and DEC: 5h 4.7m 22d 49.7 =========================================================== There are no observations for Wettzell from 18:00 U.T. to 20:00 U.T. Wettzell will participate in the intensive session during this two hour period. =========================================================== Fairbanks was tagged along to this session. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Ny Ts Wf Wz 1418+546 04159-170000| 102 64 45 141 141| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Ny Ts Wf Wz 0642+449 04160-164451| 40 40| 2234+282 04160-164644| 40 40 40 | 0116+319 04160-164812| 103 40 103 | 0119+115 04160-165038| 40 40 40 | =========================================================== SKED Summary from file ./r1126.skd for experiment R1126 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 12.5 Min = .0 Max = 102.9 (Baseline Ts-Wz on 1958-179) RMS = 12.0 Total time: 1431 minutes ( 23.9 hours). Key: Gc=GILCREEK Ny=NYALES20 Ts=TSUKUB32 Wf=WESTFORD Wz=WETTZELL Gc Ny Ts Wf Wz Avg % obs. time: 22 44 26 34 34 32 % cal. time: 4 7 5 5 5 5 % slew time: 21 27 20 20 16 21 % idle time: 51 20 47 40 43 40 total # scans: 370 620 464 463 494 482 # scans/hour : 15 25 19 19 20 20.1 Avg scan (sec): 51 61 49 63 60 56 Total GBytes: 820 1600 998 1225 1248 1179 Total GB(M5): 728 1422 887 1089 1109 1048 # of tapes : 1.5 2.5 1.6 1.9 2.0 tape change times (hhmm): 0938 0242 0859 0513 0642 0000 1219 0000 0000 0000 Total number of tapes: 9.5 Total GBytes (M5) recorded: 5238.2 # OF OBSERVATIONS BY BASELINE | Gc Ny Ts Wf Wz StnTotal ---------------------------------- Gc|370 344 262 268 228 1102 Ny| 620 396 343 388 1471 Ts| 464 224 254 1136 Wf| 463 304 1139 Wz| 494 1174 Number of 2-station scans: 272 Number of 3-station scans: 211 Number of 4-station scans: 181 Number of 5-station scans: 102 Total # of scans, observations: 766 3011 =========================================================== Recording mode Name Code GEOSX4F 4F Recording mode setup for: GILCREEK Mode Tot.Rate Tot.BandW #chan #bits Barrel VLBA1:2 256.000 Mbits 128.000 MHz 14 1 8:1 Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 8.00 MHz 1 16(*2) 32 160.00 X-band spanned bw= 720.0 MHz rms spanned bw= 280.4 MHz S-band spanned bw= 120.0 MHz rms spanned bw= 48.8 MHz Effective number of channels recorded per sub-pass X S Total 10.000 6.000 16.000 Recording mode setup for: NYALES20 WESTFORD WETTZELL Mode Tot.Rate Tot.BandW #chan #bits Barrel Mk341:2 256.000 Mbits 128.000 MHz 14 1 16 Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 8.00 MHz 1 16(*2) 32 160.00 X-band spanned bw= 720.0 MHz rms spanned bw= 280.4 MHz S-band spanned bw= 120.0 MHz rms spanned bw= 48.8 MHz Effective number of channels recorded per sub-pass X S Total 10.000 6.000 16.000 Recording mode setup for: TSUKUB32 Mode Tot.Rate Tot.BandW #chan #bits Barrel Mk341:2 256.000 Mbits 128.000 MHz 14 1 NONE Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 8.00 MHz 1 16(*2) 32 160.00 X-band spanned bw= 720.0 MHz rms spanned bw= 280.4 MHz S-band spanned bw= 120.0 MHz rms spanned bw= 48.8 MHz Effective number of channels recorded per sub-pass X S Total 10.000 6.000 16.000 =========================================================== Tape types ID Station Tape length Speed ID Station Tape length Speed Gc GILCREEK 17400feet (Thin ) 56700. (High) 12 Ny NYALES20 17400feet (Thin ) 56250. (High) 14 Ts TSUKUB32 17400feet (Thin ) 56250. (High) 14 Wf WESTFORD 17400feet (Thin ) 56250. (High) 14 Wz WETTZELL 17400feet (Thin ) 56250. (High) 14 =========================================================== SNR Targets Minimum SNR by baseline for multi-baseline scans X-band (margin 5) S-band (margin 3) Gc Ny Ts Wf Gc Ny Ts Wf Ny 20 Ny 15 Ts 20 20 Ts 15 15 Wf 20 20 20 Wf 15 15 15 Wz 20 20 20 20 Wz 15 15 15 15